#import <Cocoa/Cocoa.h>

@class BWFrenchKnot;

@interface BWFrenchKnotSet : NSObject <NSCoding>
{
    NSMutableSet *knots;
}

- (void) addKnot: (BWFrenchKnot *) knot;
- (NSEnumerator *) objectEnumerator;

- (BWFrenchKnot *) knotAtX: (int) x  y: (int) y;
- (void) removeKnot: (BWFrenchKnot *) knot;

- (void) shiftKnotsHorizontally: (int) hcount
                     vertically: (int) vcount;

@end // BWFrenchKnotSet


